A detailed tutorial on how to calculate the band-gap from SCF run in Quantum ESPRESSO using it’s GUI, BURAI 1.3. In short just set the Occupations to ‘fixed’ …
Coffee is a brewed drink prepared from roasted coffee beans, the seeds of berries from certain Coffea species. The genus Coffea is native to tropical Africa (specifically having its origin in Ethiopia and Sudan) and Madagascar, Comoros, Mauritius, and Réunion in the Indian Ocean.